----- Nội dung ảnh ----- Bài 3: Tìm lỗi sai và sửa lại câu cho đúng 1. He was swimming when the rain started. 2. They were playing soccer while it was raining. 3. I was reading a book when she called me. 4. We were having dinner at 7 p.m. last night. 5. She was always talking during the class.
